diff --git a/BootRoot/BootRoot.pm b/BootRoot/BootRoot.pm
index dc31cab..67a9039 100644
--- a/BootRoot/BootRoot.pm
+++ b/BootRoot/BootRoot.pm
@@ -1650,6 +1650,7 @@ sub uml_box {
 		    } 
 		    unshift(@fs_types,$mtd_fs_type);
 	} );
+        $mtd_fs_type_combo->set_usize(20,0);
         $mtd_fs_type_combo->show();